Fight sound in a comic book

• Hard-hitting noise
• "Batman" blow
• Uppercut sound effect
• Punch sound in comics
• "Batman" fight scene word
• Gunshot sound, in the comics
• "Wham!"
• Slangy sound of a punch
• "Batman" fight scene sound

Wiktionary Word definitions in Wiktionary
interj. (alternative spelling of kerpow English)